package chapter05.Example.Example03;

import java.util.Locale;

public class Example03 {
    public static void main(String[] args) {
        String str = "abcd";
        System.out.println("将字符串转换为字符数组后的结果");
        char[]charArray = str.toCharArray();//字符串转换为字符数组
        for (int i = 0; i < charArray.length; i++){
            if (i != charArray.length - 1){
                System.out.println(charArray[i] + ",");
            }else {
                System.out.println(charArray[i]);
            }
        }
        System.out.println("将int值转化为String类型后的结果:"+String.valueOf(12));
        System.out.println("将字符串转换成大写字母后的结果:"+str.toUpperCase());
        System.out.println("将字符串转化为小写字母的后果:"+str.toLowerCase());
    }

}
